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本文介绍了在大庆油田萨北厚层试验区葡Ⅰ1-3层进行聚合物驱油矿场试验的方案及其实施情况,用多种方法评价了厚油层达到特高含水率以后聚合物驱油的效果。在本次试验中,聚合物驱油使特高含水率油层的采收率提高了4％以上。
This paper introduces the plan and implementation of polymer flooding test in Pu Ⅰ 1-3 layer in the thick test area of Saibei oilfield in Daqing Oilfield and evaluates the effect of polymer flooding after the ultra-high water cut effect. In this experiment, polymer flooding enhanced oil recovery of ultra-high water cut by more than 4%.